reactos/dll/directx/wine/wined3d/shader_sm4.c

   1 /*
   2  * Copyright 2009 Henri Verbeet for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20 #include "wine/port.h"
  21
  22 #include "wined3d_private.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
  25
  26 #define WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT    24
  27 #define WINED3D_SM4_INSTRUCTION_LENGTH_MASK     (0xf << WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT)
  28
  29 #define WINED3D_SM4_OPCODE_MASK                 0xff
  30
  31 #define WINED3D_SM4_REGISTER_ORDER_SHIFT        20
  32 #define WINED3D_SM4_REGISTER_ORDER_MASK         (0x3 << WINED3D_SM4_REGISTER_ORDER_SHIFT)
  33
  34 #define WINED3D_SM4_REGISTER_TYPE_SHIFT         12
  35 #define WINED3D_SM4_REGISTER_TYPE_MASK          (0xf << WINED3D_SM4_REGISTER_TYPE_SHIFT)
  36
  37 #define WINED3D_SM4_IMMCONST_TYPE_SHIFT         0
  38 #define WINED3D_SM4_IMMCONST_TYPE_MASK          (0x3 << WINED3D_SM4_IMMCONST_TYPE_SHIFT)
  39
  40 #define WINED3D_SM4_WRITEMASK_SHIFT             4
  41 #define WINED3D_SM4_WRITEMASK_MASK              (0xf << WINED3D_SM4_WRITEMASK_SHIFT)
  42
  43 #define WINED3D_SM4_SWIZZLE_SHIFT               4
  44 #define WINED3D_SM4_SWIZZLE_MASK                (0xff << WINED3D_SM4_SWIZZLE_SHIFT)
  45
  46 #define WINED3D_SM4_VERSION_MAJOR(version)      (((version) >> 4) & 0xf)
  47 #define WINED3D_SM4_VERSION_MINOR(version)      (((version) >> 0) & 0xf)
  48
  49 enum wined3d_sm4_opcode
  50 {
  51     WINED3D_SM4_OP_ADD      = 0x00,
  52     WINED3D_SM4_OP_BREAK    = 0x02,
  53     WINED3D_SM4_OP_BREAKC   = 0x03,
  54     WINED3D_SM4_OP_CUT      = 0x09,
  55     WINED3D_SM4_OP_DP3      = 0x10,
  56     WINED3D_SM4_OP_DP4      = 0x11,
  57     WINED3D_SM4_OP_EMIT     = 0x13,
  58     WINED3D_SM4_OP_ENDIF    = 0x15,
  59     WINED3D_SM4_OP_ENDLOOP  = 0x16,
  60     WINED3D_SM4_OP_EXP      = 0x19,
  61     WINED3D_SM4_OP_IADD     = 0x1e,
  62     WINED3D_SM4_OP_IF       = 0x1f,
  63     WINED3D_SM4_OP_IGE      = 0x21,
  64     WINED3D_SM4_OP_LOG      = 0x2f,
  65     WINED3D_SM4_OP_LT       = 0x31,
  66     WINED3D_SM4_OP_MIN      = 0x33,
  67     WINED3D_SM4_OP_MAX      = 0x34,
  68     WINED3D_SM4_OP_MOV      = 0x36,
  69     WINED3D_SM4_OP_MUL      = 0x38,
  70     WINED3D_SM4_OP_RET      = 0x3e,
  71     WINED3D_SM4_OP_RSQ      = 0x44,
  72     WINED3D_SM4_OP_SINCOS   = 0x4d,
  73 };
  74
  75 enum wined3d_sm4_register_type
  76 {
  77     WINED3D_SM4_RT_TEMP         = 0x0,
  78     WINED3D_SM4_RT_INPUT        = 0x1,
  79     WINED3D_SM4_RT_OUTPUT       = 0x2,
  80     WINED3D_SM4_RT_IMMCONST     = 0x4,
  81     WINED3D_SM4_RT_CONSTBUFFER  = 0x8,
  82 };
  83
  84 enum wined3d_sm4_immconst_type
  85 {
  86     WINED3D_SM4_IMMCONST_FLOAT  = 0x1,
  87     WINED3D_SM4_IMMCONST_FLOAT4 = 0x2,
  88 };
  89
  90 struct wined3d_sm4_data
  91 {
  92     struct wined3d_shader_version shader_version;
  93     const DWORD *end;
  94     const struct wined3d_shader_signature *output_signature;
  95 };
  96
  97 struct wined3d_sm4_opcode_info
  98 {
  99     enum wined3d_sm4_opcode opcode;
 100     enum WINED3D_SHADER_INSTRUCTION_HANDLER handler_idx;
 101     UINT dst_count;
 102     UINT src_count;
 103 };
 104
 105 struct sysval_map
 106 {
 107     enum wined3d_sysval_semantic sysval;
 108     WINED3DSHADER_PARAM_REGISTER_TYPE register_type;
 109     UINT register_idx;
 110 };
 111
 112 static const struct wined3d_sm4_opcode_info opcode_table[] =
 113 {
 114     {WINED3D_SM4_OP_ADD,    WINED3DSIH_ADD,         1,  2},
 115     {WINED3D_SM4_OP_BREAK,  WINED3DSIH_BREAK,       0,  0},
 116     {WINED3D_SM4_OP_BREAKC, WINED3DSIH_BREAKP,      0,  1},
 117     {WINED3D_SM4_OP_CUT,    WINED3DSIH_CUT,         0,  0},
 118     {WINED3D_SM4_OP_DP3,    WINED3DSIH_DP3,         1,  2},
 119     {WINED3D_SM4_OP_DP4,    WINED3DSIH_DP4,         1,  2},
 120     {WINED3D_SM4_OP_EMIT,   WINED3DSIH_EMIT,        0,  0},
 121     {WINED3D_SM4_OP_ENDIF,  WINED3DSIH_ENDIF,       0,  0},
 122     {WINED3D_SM4_OP_ENDLOOP,WINED3DSIH_ENDLOOP,     0,  0},
 123     {WINED3D_SM4_OP_EXP,    WINED3DSIH_EXP,         1,  1},
 124     {WINED3D_SM4_OP_IADD,   WINED3DSIH_IADD,        1,  2},
 125     {WINED3D_SM4_OP_IF,     WINED3DSIH_IF,          0,  1},
 126     {WINED3D_SM4_OP_IGE,    WINED3DSIH_IGE,         1,  2},
 127     {WINED3D_SM4_OP_LOG,    WINED3DSIH_LOG,         1,  1},
 128     {WINED3D_SM4_OP_LT,     WINED3DSIH_LT,          1,  2},
 129     {WINED3D_SM4_OP_MIN,    WINED3DSIH_MIN,         1,  2},
 130     {WINED3D_SM4_OP_MAX,    WINED3DSIH_MAX,         1,  2},
 131     {WINED3D_SM4_OP_MOV,    WINED3DSIH_MOV,         1,  1},
 132     {WINED3D_SM4_OP_MUL,    WINED3DSIH_MUL,         1,  2},
 133     {WINED3D_SM4_OP_RET,    WINED3DSIH_RET,         0,  0},
 134     {WINED3D_SM4_OP_RSQ,    WINED3DSIH_RSQ,         1,  1},
 135     {WINED3D_SM4_OP_SINCOS, WINED3DSIH_SINCOS,      1,  2},
 136 };
 137
 138 static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
 139 {
 140     /* WINED3D_SM4_RT_TEMP */           WINED3DSPR_TEMP,
 141     /* WINED3D_SM4_RT_INPUT */          WINED3DSPR_INPUT,
 142     /* WINED3D_SM4_RT_OUTPUT */         WINED3DSPR_OUTPUT,
 143     /* UNKNOWN */                       0,
 144     /* WINED3D_SM4_RT_IMMCONST */       WINED3DSPR_IMMCONST,
 145     /* UNKNOWN */                       0,
 146     /* UNKNOWN */                       0,
 147     /* UNKNOWN */                       0,
 148     /* WINED3D_SM4_RT_CONSTBUFFER */    WINED3DSPR_CONSTBUFFER,
 149 };
 150
 151 static const struct sysval_map sysval_map[] =
 152 {
 153     {WINED3D_SV_DEPTH,      WINED3DSPR_DEPTHOUT,    0},
 154     {WINED3D_SV_TARGET0,    WINED3DSPR_COLOROUT,    0},
 155     {WINED3D_SV_TARGET1,    WINED3DSPR_COLOROUT,    1},
 156     {WINED3D_SV_TARGET2,    WINED3DSPR_COLOROUT,    2},
 157     {WINED3D_SV_TARGET3,    WINED3DSPR_COLOROUT,    3},
 158     {WINED3D_SV_TARGET4,    WINED3DSPR_COLOROUT,    4},
 159     {WINED3D_SV_TARGET5,    WINED3DSPR_COLOROUT,    5},
 160     {WINED3D_SV_TARGET6,    WINED3DSPR_COLOROUT,    6},
 161     {WINED3D_SV_TARGET7,    WINED3DSPR_COLOROUT,    7},
 162 };
 163
 164 static const struct wined3d_sm4_opcode_info *get_opcode_info(enum wined3d_sm4_opcode opcode)
 165 {
 166     unsigned int i;
 167
 168     for (i = 0; i < sizeof(opcode_table) / sizeof(*opcode_table); ++i)
 169     {
 170         if (opcode == opcode_table[i].opcode) return &opcode_table[i];
 171     }
 172
 173     return NULL;
 174 }
 175
 176 static void map_sysval(enum wined3d_sysval_semantic sysval, struct wined3d_shader_register *reg)
 177 {
 178     unsigned int i;
 179
 180     for (i = 0; i < sizeof(sysval_map) / sizeof(*sysval_map); ++i)
 181     {
 182         if (sysval == sysval_map[i].sysval)
 183         {
 184             reg->type = sysval_map[i].register_type;
 185             reg->idx = sysval_map[i].register_idx;
 186         }
 187     }
 188 }
 189
 190 static void map_register(struct wined3d_sm4_data *priv, struct wined3d_shader_register *reg)
 191 {
 192     switch (priv->shader_version.type)
 193     {
 194         case WINED3D_SHADER_TYPE_PIXEL:
 195             if (reg->type == WINED3DSPR_OUTPUT)
 196             {
 197                 unsigned int i;
 198                 const struct wined3d_shader_signature *s = priv->output_signature;
 199
 200                 if (!s)
 201                 {
 202                     ERR("Shader has no output signature, unable to map register.\n");
 203                     break;
 204                 }
 205
 206                 for (i = 0; i < s->element_count; ++i)
 207                 {
 208                     if (s->elements[i].register_idx == reg->idx)
 209                     {
 210                         map_sysval(s->elements[i].sysval_semantic, reg);
 211                         break;
 212                     }
 213                 }
 214             }
 215             break;
 216
 217         default:
 218             break;
 219     }
 220 }
 221
 222 static void *shader_sm4_init(const DWORD *byte_code, const struct wined3d_shader_signature *output_signature)
 223 {
 224     struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
 225     if (!priv)
 226     {
 227         ERR("Failed to allocate private data\n");
 228         return NULL;
 229     }
 230
 231     priv->output_signature = output_signature;
 232
 233     return priv;
 234 }
 235
 236 static void shader_sm4_free(void *data)
 237 {
 238     HeapFree(GetProcessHeap(), 0, data);
 239 }
 240
 241 static void shader_sm4_read_header(void *data, const DWORD **ptr, struct wined3d_shader_version *shader_version)
 242 {
 243     struct wined3d_sm4_data *priv = data;
 244     DWORD version_token;
 245
 246     priv->end = *ptr;
 247
 248     version_token = *(*ptr)++;
 249     TRACE("version: 0x%08x\n", version_token);
 250
 251     TRACE("token count: %u\n", **ptr);
 252     priv->end += *(*ptr)++;
 253
 254     switch (version_token >> 16)
 255     {
 256         case WINED3D_SM4_PS:
 257             priv->shader_version.type = WINED3D_SHADER_TYPE_PIXEL;
 258             break;
 259
 260         case WINED3D_SM4_VS:
 261             priv->shader_version.type = WINED3D_SHADER_TYPE_VERTEX;
 262             break;
 263
 264         case WINED3D_SM4_GS:
 265             priv->shader_version.type = WINED3D_SHADER_TYPE_GEOMETRY;
 266             break;
 267
 268         default:
 269             FIXME("Unrecognized shader type %#x\n", version_token >> 16);
 270     }
 271     priv->shader_version.major = WINED3D_SM4_VERSION_MAJOR(version_token);
 272     priv->shader_version.minor = WINED3D_SM4_VERSION_MINOR(version_token);
 273
 274     *shader_version = priv->shader_version;
 275 }
 276
 277 static void shader_sm4_read_opcode(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins,
 278         UINT *param_size)
 279 {
 280     const struct wined3d_sm4_opcode_info *opcode_info;
 281     DWORD token = *(*ptr)++;
 282     DWORD opcode = token & WINED3D_SM4_OPCODE_MASK;
 283
 284     *param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
 285
 286     opcode_info = get_opcode_info(opcode);
 287     if (!opcode_info)
 288     {
 289         FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
 290         ins->handler_idx = WINED3DSIH_TABLE_SIZE;
 291         return;
 292     }
 293
 294     ins->handler_idx = opcode_info->handler_idx;
 295     ins->flags = 0;
 296     ins->coissue = 0;
 297     ins->predicate = 0;
 298     ins->dst_count = opcode_info->dst_count;
 299     ins->src_count = opcode_info->src_count;
 300 }
 301
 302 static void shader_sm4_read_src_param(void *data, const DWORD **ptr, struct wined3d_shader_src_param *src_param,
 303         struct wined3d_shader_src_param *src_rel_addr)
 304 {
 305     struct wined3d_sm4_data *priv = data;
 306     DWORD token = *(*ptr)++;
 307     enum wined3d_sm4_register_type register_type;
 308     DWORD order;
 309
 310     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 311     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 312     {
 313         FIXME("Unhandled register type %#x\n", register_type);
 314         src_param->reg.type = WINED3DSPR_TEMP;
 315     }
 316     else
 317     {
 318         src_param->reg.type = register_type_table[register_type];
 319     }
 320
 321     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 322
 323     if (order < 1) src_param->reg.idx = ~0U;
 324     else src_param->reg.idx = *(*ptr)++;
 325
 326     if (order < 2) src_param->reg.array_idx = ~0U;
 327     else src_param->reg.array_idx = *(*ptr)++;
 328
 329     if (order > 2) FIXME("Unhandled order %u.\n", order);
 330
 331     if (register_type == WINED3D_SM4_RT_IMMCONST)
 332     {
 333         enum wined3d_sm4_immconst_type immconst_type =
 334                 (token & WINED3D_SM4_IMMCONST_TYPE_MASK) >> WINED3D_SM4_IMMCONST_TYPE_SHIFT;
 335         src_param->swizzle = WINED3DSP_NOSWIZZLE;
 336
 337         switch(immconst_type)
 338         {
 339             case WINED3D_SM4_IMMCONST_FLOAT:
 340                 src_param->reg.immconst_type = WINED3D_IMMCONST_FLOAT;
 341                 memcpy(src_param->reg.immconst_data, *ptr, 1 * sizeof(DWORD));
 342                 *ptr += 1;
 343                 break;
 344
 345             case WINED3D_SM4_IMMCONST_FLOAT4:
 346                 src_param->reg.immconst_type = WINED3D_IMMCONST_FLOAT4;
 347                 memcpy(src_param->reg.immconst_data, *ptr, 4 * sizeof(DWORD));
 348                 *ptr += 4;
 349                 break;
 350
 351             default:
 352                 FIXME("Unhandled immediate constant type %#x\n", immconst_type);
 353                 break;
 354         }
 355     }
 356     else
 357     {
 358         src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
 359     }
 360
 361     src_param->modifiers = 0;
 362     src_param->reg.rel_addr = NULL;
 363
 364     map_register(priv, &src_param->reg);
 365 }
 366
 367 static void shader_sm4_read_dst_param(void *data, const DWORD **ptr, struct wined3d_shader_dst_param *dst_param,
 368         struct wined3d_shader_src_param *dst_rel_addr)
 369 {
 370     struct wined3d_sm4_data *priv = data;
 371     DWORD token = *(*ptr)++;
 372     enum wined3d_sm4_register_type register_type;
 373     DWORD order;
 374
 375     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 376     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 377     {
 378         FIXME("Unhandled register type %#x\n", register_type);
 379         dst_param->reg.type = WINED3DSPR_TEMP;
 380     }
 381     else
 382     {
 383         dst_param->reg.type = register_type_table[register_type];
 384     }
 385
 386     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 387
 388     if (order < 1) dst_param->reg.idx = ~0U;
 389     else dst_param->reg.idx = *(*ptr)++;
 390
 391     if (order < 2) dst_param->reg.array_idx = ~0U;
 392     else dst_param->reg.array_idx = *(*ptr)++;
 393
 394     if (order > 2) FIXME("Unhandled order %u.\n", order);
 395
 396     dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
 397     dst_param->modifiers = 0;
 398     dst_param->shift = 0;
 399     dst_param->reg.rel_addr = NULL;
 400
 401     map_register(priv, &dst_param->reg);
 402 }
 403
 404 static void shader_sm4_read_semantic(const DWORD **ptr, struct wined3d_shader_semantic *semantic)
 405 {
 406     FIXME("ptr %p, semantic %p stub!\n", ptr, semantic);
 407 }
 408
 409 static void shader_sm4_read_comment(const DWORD **ptr, const char **comment, UINT *comment_size)
 410 {
 411     FIXME("ptr %p, comment %p, comment_size %p stub!\n", ptr, comment, comment_size);
 412     *comment = NULL;
 413 }
 414
 415 static BOOL shader_sm4_is_end(void *data, const DWORD **ptr)
 416 {
 417     struct wined3d_sm4_data *priv = data;
 418     return *ptr == priv->end;
 419 }
 420
 421 const struct wined3d_shader_frontend sm4_shader_frontend =
 422 {
 423     shader_sm4_init,
 424     shader_sm4_free,
 425     shader_sm4_read_header,
 426     shader_sm4_read_opcode,
 427     shader_sm4_read_src_param,
 428     shader_sm4_read_dst_param,
 429     shader_sm4_read_semantic,
 430     shader_sm4_read_comment,
 431     shader_sm4_is_end,
 432 };